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Mathematics 11 Online
OpenStudy (anonymous):

Given that Tan=4/3 and Sin=(-4/5) find Cos. A. 1/3 B. -1/3 C. 3/5 D. -3/5 E. - sqrt3/5

OpenStudy (anonymous):

I know it's either C or D. but not sure if it's positive or negative.

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